C.I. 18760

Biorbyt

C.I. 18760

10

3618-63-1

Research Use Only

98.00%

C20H16N4NaO5S

447.42

C.I. 18760 is a dye in the form of a bluish red powder. Its aqueous solution is yellowish to brownish red, turning reddish orange with dilute sulphuric acid; with concentrated caustic soda it turns brilliant red. In concentrated sulfuric acid is rose red, diluted to orange; in concentrated nitric acid the color disappears. It is used for dyeing and printing of wool, silk and its fabrics, also can dye nylon and its blended fabrics.

[Na].O=C1N(N=C(C)C1N=NC2=C(O)C=C(C=3C=CC=CC23)S(=O)(=O)O)C=4C=CC=CC4

-20°C

12352200